baber/WOPTO huggingface dataset:
Patent CA-1062381-A (CA)
Inventor: TRAVERSE CHARLES E
IPC: C02F3/22
Filed: 1975-07-21
Granted: 1979-09-11
Abstract: AEROBIC SEWAGE TREATMENT UNIT     ABSTRACT OF THE DISCLOSURE     An aerobic sewage treatment unit including a main sewage collection tank having an inlet and an outlet is disclosed with a separate intensified micro-liquefaction tank of horizontal cylin-drical configuration being mounted above the main tank with tan-gential inlets and outlets at opposite ends; the inlet is connected to the output of a micro-liquefaction pump immersed in the main tank with the outlet from the intensified micro-liquefaction cham-ber retruning to the main tank; air flows into the pump down a hollow drive shaft to exit from a hollow impeller of S-shaped configuration. The material discharge from the pump flows through the intensified micro-liquefaction chamber being in a vortex due to the tangential inflow and outflow openings,
Patent CA-1060037-A (CA)
Inventor: SPEIER JOHN L
IPC: C07C319/14
Filed: 1975-09-12
Granted: 1979-08-07
Abstract: ABSTRACT OF THE DISCLOSURE     Merraptans are prepared by reacting an organic chloride or bromide with a mixture of H2S and ammonia or an amine at a temperature of 0 to 175°C. under autogenous pressure.  The reaction can be carried out in the presence of a polar solvent.  For example, 3-chloroprop???rimethoxy-silane is mixed with H2S and ammonia in methanol and heated in a closed container at 100°C. for 18 hours.
Patent CA-1050630-A (CA)
Inventor: NISHIBE ATSUSHI
IPC: G01N27/04
Filed: 1975-09-23
Granted: 1979-03-13
Abstract: ABSTRACT OF THE DISCLOSURE A humidity sensor is formed by a pair of electrodes fitted on the surface of a flexible insulator film such as a polyester film, the pair of electrodes being arranged adjacent to one another with a suitable gap therebetween. Within the gap between the adjacent electrodes, a rough surface portion is formed on the insulator and/or the electrodes so that the condensed dew-drops on the gap are automatically dispersed, and accordingly the sensitivity of the humidity sensor is improved.  A video tape recording and/or reproducing apparatus is also disclosed which employs the humidity sensor described above.  In this case, the humidity sensor is mounted on the tape guide drum of the video tape recording and/or reproducing apparatus for detecting the humidity thereon.
Patent CA-1060482-A (CA)
Inventor: VON HALASZ SIGMAR-PETER
IPC: C07C43/12
Filed: 1975-10-29
Granted: 1979-08-14
Abstract: PROCESS FOR PREPARING PERFLUORINATED ETHERS Abstract of the Disclosure:     Perfluorinated ethers containing carboxylic acid fluoride groups and optionally units derived from hexafluoropropene epoxide or tetrafluoroethylene epoxide are reacted with fluorine at temperatures of from 50 to 350°C in the presence of metallic catalysts.  During the reaction carbonyl difluoride is splitt off and an ether is obtained in high yield which is free of carboxylic acid fluoride groups. Metallic silver is well suited as catalyst.
Patent CA-1045639-A (CA)
Title: BUTYLATED, .alpha.-METHYL STYRENATED PHENOLIC ANTIOXIDANTS
Inventor: HOLLINGSHEAD WILLIAM S
IPC: C08K5/13
Filed: 1975-12-29
Granted: 1979-01-02
Abstract: Abstract of the Disclosure Phenol is reacted with .alpha.-methyl sytrene and isobutylene to produce a mixture of substituted phenols which have excellent color characteristics and exhibit unusual and unexpected antioxidant activity.
Patent CA-1044359-A (CA)
Inventor: ENGEL CHRISTOPHER M
IPC: H04N9/73
Filed: 1975-12-30
Granted: 1978-12-12
Abstract: ABSTRACT OF THE DISCLOSURE       A color television receiver includes conventional circuitry for processing and detecting a received color tele-vision signal.  Three chrominance-luminance matrices combine detected color difference and luminance signals forming color red, blue and green video signals.  Emitter follower coupling stages apply the color video signals individually to each of three output amplifiers which in turn drive the cathode electrodes of a unitized gun CRT.  Potentiometers couple the emitter electrodes of the output amplifiers to a source of operating potential providing a simultaneous signal gain and DC output voltage adjustment for each amplifier during CRT color temperature setup.  A voltage divider controls the voltage applied to the common screen grid electrode of the CRT providing a master setup adjustment.
Patent CA-1050004-A (CA)
Inventor: MCQUEEN ROBERT W
IPC: E21B21/16
Filed: 1976-01-15
Granted: 1979-03-06
Abstract: CONTROL METHOD AND APPARATUS FOR PRESSURE, VACUUM OR PRESSURE-VACUUM CIRCULATION IN DRILLING SYSTEM            Abstract of the Disclosure.  A drill system uses double walled concentric pipe and a drill bit attached at one end of the drill pipe and a power swivel at its upper end having means for applying compressed air to the outer annulus within the drill pipe and means for attaching a vacuum line to the center annulus of the drill pipe.  A flexible hose attached to the vacuum portion of the drill pipe has an inductor assembly using compressed air to create a vacuum to remove the cuttings during the drilling operation. A diverting valve, having  its input connected to pressurized air from an air compressor, has one output connected to the input of the inductor and its other output connected to the outer annulus portion of the drill pipe.          The diverter valve provides the operator the ability to pressure reverse circulate, to vacuum reverse circulate, or an infinitely variable combination of the two.                         -1a-
Patent CA-1046209-A (CA)
Inventor: WRIGHT GORDON T
IPC: A47L9/00
Filed: 1976-01-19
Granted: 1979-01-16
Abstract: ABSTRACT OF THE DISCLOSURE    A vacuum cleaner is provided with a storage chamber-in which a flexible hose, used to connect the usual dust collection tools to the cleaner, can be stored when not in use. In a preferred embodiment, the hose can be sucked into the storage chamber when it is desired to store same.
Patent CA-1045077-A (CA)
Title: Diamond wire drawing die blanks and methods of making the same
Inventor: ZACHMAN NEIL J
IPC: B22F5/00
Filed: 1976-02-19
Granted: 1978-12-26
Abstract: ABSTRACT OF THE DISCLOSURE           A diamond wire drawing die blank and method for making the same are provided in which a diamond die blank is formed by metering about one half of a metal powder required to form a shroud around a diamond into a die cavity, partially compressing said one half while forming a central conical depression in said powder, placing a diamond in the formed conical cavity, adding the remaining metal powder to the mold over the die and first compressed half, compressing the metal powder around the diamond and sintering said powder compact.
Patent CA-1042972-A (CA)
Inventor: YINDRA LEONARD J
IPC: B43L5/00
Filed: 1976-02-19
Granted: 1978-11-21
Abstract: ABSTRACT     A drafting board and its support structure wherein the board may be easily mounted upon and removed from the support structure by only one person, even though the board may be too bulky or heavy to be lifted in its entirety by that person.  On-site assembly and disassembly are therefore simplified and expedited.  The support structure includes a base having bracket means mounted for pivotal movement about a horizontal pivot line, the board being detachably secured to the bracket means for pivotal movement therewith.  Horizontal bearing surface portions are provided by either the board or the  bracket means, the other of such components having a pair of laterally-spaced connectors which are independently and slidably engagable with those bearing surface portions.  In assembling the board to the base, one end of the board may therefore be lifted and supported by first positioning one of the connectors in sliding engagement with one of the bearing surface portions, and thereafter, the opposite end of the board may be lifted and supported by positioning the other of the connectors in engagement with another of the bearing surface portions.
Patent CA-1048445-A (CA)
Inventor: RALSTON PHILIP G JR
IPC: A61J1/10
Filed: 1976-03-26
Granted: 1979-02-13
Abstract: ABSTRACT OF THE DISCLOSURE      A flexible-walled tubular, collapsible container for liquids is disclosed of the type having a head portion with across means, and a tail portion with a sealed line joining sides of the container into a sealed end.  In ac-cordance with this invention, the sealed line occupies a recess defined in the sealed end by the flexible container walls.  As a result of this, outwardly directed shock, created for example when the filled container is dropped, is absorbed by the walls of the recess, to protect the sealed line from rupture.  Accordingly, the sealed end of the con-tainer of this invention exhibits increased strength and rupture resistance.
Patent CA-1087333-A (CA)
Inventor: COLLEPARDI MARIO
IPC: C04B22/06
Filed: 1976-05-10
Granted: 1980-10-07
Abstract: ABSTRACT OF THE DISCLOSURE:           Expansive and high strength cementitious pastes, mortars and concretes are produced by adding to a mix of water, cement and aggregates a mixture containing calcium oxide and/or magnesium oxide, and a water-reducing agent capable of reducing the water/cement ratio of the mix by at least 15%, at constant workability.
Patent CA-1073980-A (CA)
Inventor: HAM PHILIP A L
IPC: H03K19/23
Filed: 1976-05-26
Granted: 1980-03-18
Abstract: ABSTRACT           An electrical logic circuit arrangement comprising a direct-coupled operational amplifier having an input and an output, at least two control signal circuit inputs each connected to the amplifier input by way of a signal current path including a resistor, the values of the resistors being substantially equal and at least one current path including a current limiting arrangement between the resistor in that path and the amplifier input, the circuit further comprising a number of feedback paths equal to the number of signal current paths each feedback path leading separately from the amplifier output to an individual signal current path, there being one feedback path to each signal current path, each feedback path being connected to the respective input signal path at a point between the resistor of that path and the amplifier inut, this point further being located intermediate the resistor and the current limiting device of the signal input path for a path including such a device, and each feedback path including a resistor of substantially the same value as that of each signal input path resistor.
Patent CA-1039602-A (CA)
Inventor: BERGER RICHARD M
IPC: A24D3/02
Filed: 1976-06-14
Granted: 1978-10-03
Abstract: ABSTRACT OF THE DISCLOSURE   Tobacco smoke filters and methods and means for making same wherein the products have an elongated hollow inner member overwrapped with a conventional plug wrap, with an intermediate member interposed therebetween.  The intermediate member is comprised preferably of a filter-ing material different from that which forms the inner member so as to provide selective filtration through the two layers of filtering material, the intermediate member fun tioning to remove larger particles of undesirable material so that the interstitial spaces of the inner member are not clogged thereby.  Moreover, the presence of the intermediate member provides a smooth outer surface for attaching a conventional plug wrap without the need for an internal glue line.  The inner member is formed continuously as a crimped rod and is used in place of the mandrel for forming the hollow intermediate member there-over.
Patent CA-1042247-A (CA)
Inventor: KING FREDERICK D
IPC: H04B10/2513
Filed: 1976-08-03
Granted: 1978-11-14
Abstract: REDUCTION OF MODAL & CHROMATIC MATERIAL DISPERSION IN A MULTIMODE OPTICAL FIBER            Abstract of the Disclosure Modal dispersion and chromatic material dispersion in a multimode optical fiber is reduced by feeding the rays of the light beam into the end! of the optical fiber the angle of each ray relative to the axis of the fiber varied in accordance with the wavelength of the ray.  The shortest ray is fed at a zero angle and the longest wavelength at angle of ? max. ? max. is defined by the equation     .
Patent CA-1055767-A (CA)
Inventor: QUANBECK SHERMAN H
IPC: A01B15/00
Filed: 1976-08-26
Granted: 1979-06-05
Abstract: ABSTRACT OF THE DISCLOSURE      A trip beam linkage for moldboard plow or other earth working tools which trips to clear obstacles such as rocks and the like and uses a sturdy, compact and reliable folding tripping linkage which permits reliable, high clearance trip-ping using tension springs.  The linkage lengths are selected to permit reliance on spring force for initial holding, which is reliable.  The folding linkage is positioned so spring expansion is kept to a minimum during tripping.  The linkage can be adjusted to permit aligning the earth working tool. The working position of the linkage is determined by an ad-justable stop.
Patent CA-1098614-A (CA)
Inventor: POETSCH DIETER
IPC: H04N9/73
Filed: 1976-09-27
Granted: 1981-03-31
Abstract: System for Automatic Correction of the Color Balance Between the Primary Signals of a Color Signal Source ABSTRACT OF THE DISCLOSURE              A system fox correcting color balance of a color television picture to remove tinges of color caused by unbalance.  Control signals for color correction are derived and stored from data available in those periods when luminosity is below a lower limit of about 7% or above an upper limit of about 95% and when chroma-saturation is below a prespecified level, for example 20%.
Patent CA-1073059-A (CA)
Title: Mpx stereo signal demodulator
Inventor: OHSAWA MITSUO
IPC: H03D1/22
Filed: 1976-10-08
Granted: 1980-03-04
Abstract: MPX STEREO SIGNAL DEMODULATOR            ABSTRACT OF THE DISCLOSURE      A multiplex (MPX) stereo signal demodulator includes a first differential amplifier supplied with a composite stereo signal and second, third differential amplifiers cascode-con-nected to the first differential amplifier and supplied with a 38 KHz subcarrier signal so as to obtain, by demodulation, a pair of audio signals as the multiplying results of the composite and subcarrier signals.  A fourth differential amplifier supplied with the composite stereo signal, the in-put level of which is adjustable, is provided and the output signal therefrom is mixed with the pair of audio signals through a current mirror circuit so as to compensate the separation ratio therebetween.
Patent CA-1092216-A (CA)
Inventor: LEE JIMMY L
IPC: G01K7/24
Filed: 1976-11-03
Granted: 1980-12-23
Abstract: ELECTRONIC FISH LOCATOR Abstract of the Disclosure Apparatus for determining the depth of certain tempera-ture layers or strata in ponds, lakes, etc., in which fish of certain kinds are known to preferentially congregate is dis-closed. The disclosed apparatus includes a thermistor, an electrical wire or cable attached to the thermistor and pro-vided with depth measurement markings in a simple graphic code, and a translator circuit adapted to be attached to the end of the wire or cable remote from the thermistor for translating the resistance of the thermistor into an indication of the temperature range of the water layer or stratum in which the thermistor is immersed. The translator circuit includes a set of light-emitting diodes (LED'S) for use in indicating the temperature range of the water stratum in which the thermistor is immersed. In general, when the disclosed apparatus is in use only one LED, corresponding to the temperature of the water stratum in which the thermistor is immersed carries sufficient current to be perceptibly illuminated. At one extreme of temp-erature indication, however, a second LED may appear to be faintly illuminated. The translator circuit is battery-operated, and is self-compensating for aging variations in battery volt-age throughout the practical life of the battery, i.e., until the light produced by the illuminated LED is too dim to be readily perceived in the ambient sunlight in an open boat. Thus, manual compensating means such as manually adjustable potentio-meters are not needed in the disclosed device, and are not pro-vided. Battery drain is limited by the provision of a push-button switch which must be depressed to energize the translator circuit. The translator circuit may be encapsulated or located in a chamber separate from the battery chamber in order to isolate the translator circuit from moisture and its accompanying deleterious effects. The entire translator circuit, including its battery, the LED display, and the push-button, is so small as to be accommodated in a shirt pocket. This translator unit does not include the usual, delicate meter of the D'Arsonval type.
Patent CA-1074909-A (CA)
Inventor: KROPIELNICKI BARBARA E
IPC: H04B1/18
Filed: 1976-11-15
Granted: 1980-04-01
Abstract: A B S T R A C T             A device which can be interposed between a radio and an electrically heated window so as to enable the window to be used as an aerial even when it is connected to a d.c. power source to effect heating of same.  The device comprises a blocking circuit having mutually coupled coils interposed between the d.c. power source and the terminals of the heating element of the window.
Patent CA-1048962-A (CA)
Inventor: SPENCER HARVEY J
IPC: B65G47/68
Filed: 1976-12-16
Granted: 1979-02-20
Abstract: ABSTRACT OF DISCLOSURE:         Apparatus for handling wound rolls wherein an upper takeaway conveyor receives rolls from a source conveyor and delivers the same selectively to a plurality of diverter conveyors.
Patent CA-1077648-A (CA)
Inventor: YAGI NORIO
IPC: C08G65/40
Filed: 1976-12-17
Granted: 1980-05-13
Abstract: ABSTRACT OF THE DISCLOSURE An aromatic polymer is prepared by polymerizing a dialkali metal salt of a diphenol with a dihalodiphenyl compound having an electron withdrawing group in at least one of the positions ortho or para to each of the halogen atoms, at a temperature in the range 200°C to 400°C in the presence of from 0.1 to 30% by weight of an inert nonpolar aromatic reaction lubricant.
Patent CA-1090943-A (CA)
Inventor: SCHINDLER HERMANN
IPC: C08L29/00
Filed: 1976-12-17
Granted: 1980-12-02
Abstract: Abstract of the Disclosure Polyvinyl alcohol containing films and coatings having a reduced water solubility are prepared from polyvinyl alcohol having an ester number of at most 200 mg of KOH/g.  This polyvinyl alcohol being readily soluble in water is submitted in aqueous phase to an after saponification with alkali metal or alkaline earth metal hydroxide rendering it in-soluble at elevated temperature.  The alkali or alkaline earth metal ions then are precipitated in the form of compounds difficultly soluble in water by additions of substances containing corresponding anions.  The precipitate remains as inert filler in the suspension of polyvinyl alcohol thus prepared.     The suspension is applied in form of films or coatings and dried.
Patent CA-1070672-A (CA)
Inventor: UYEO SHOICHIRO
IPC: A61K31/397
Filed: 1977-01-20
Granted: 1980-01-29
Abstract: ABSTRACT   Antibacterial compounds of the formula:                     (where COB is carboxy or protected carboxy;      Hal is halogen; R is amino or protected amino; R' is mercapto-protecting group; and X is nucleophilic group) are prepared from penicillin 1-oxides having X on its 2-methyl group, and found to be used as starting materials for preparing cephalosporins.
Patent CA-1053596-A (CA)
Inventor: SIMON-KOCHLOFFEL ARNULF I
IPC: F16H7/06
Filed: 1977-05-09
Granted: 1979-05-01
Abstract: A DRIVE UNIT FOR AN ENDLESS CONVEYOR            Abstract A drive unit having a toothed endless member for driving a conveyor.  The drive unit includes an endless driv-ing chain having tooth-like projections extending outwardly from the driving chain, each tooth-like projection having a bearing surface which coacts with the toothed side of the endless member to drive the endless member in response to movement of the driving chain.  The driving chain engages a pair of sprockets to be moved around each in response to the rotation of one of the sprockets by a drive motor.  Each tooth-like projection is inserted into or removed from a re-spective groove defined by the teeth of the endless member when that tooth-like projection is advanced around a circular path defined by the endless chain driven around one of the sprockets.  During its transfer from the circular path to a linear path of travel between the sprockets the bearing sur-face of each tooth-like projection is urged into bearing against the forward tooth of the endless member defining the respective groove in which its tooth-like projection is in-serted.  A load support section disposed between the sprockets coacts with the drive chain to maintain their bearing surfaces in bearing with the teeth of the endless member as the bearing elements are advanced between the sprockets.
Patent CA-1085827-A (CA)
Title: Derivatives of vincamine and apovincamine and related  preparation process
Inventor: VEGEZZI DAVIDE
IPC: A61K31/70
Filed: 1977-06-02
Granted: 1980-09-16
Abstract: ABSTRACT OF THE DISCLOSURE . -The invention relates to derivatives of vincamine and apovincamine having the general formula   wherein X represents either the radical of an organic acid or a compound forming an adduct with vincamine and apovincamine. These derivatives, apart from the therapeutical action possess-ed by the vincamine/and apovincamine respectively, are also endowed with an extended effect.  The invention relates too to the method for the preparation of the above derivatives and to the pharmaceutical compositions containing these derivatives as the active ingredient.
Patent CA-1085490-A (CA)
Inventor: GROVES CHARLES L JR
IPC: G05B23/02
Filed: 1977-08-08
Granted: 1980-09-09
Abstract: IMPROVED POWER PLANT SPEED  CHANNEL SELECTION SYSTEM     ABSTRACT OF THE DISCLOSURE         A turbine control system incorporating a speed monitoring system for generating an actual turbine speed measurement for control of turbine speed and load is dis-closed.  The speed monitoring system employs two identical speed channels each of both analog and digital form and a third channel of only analog form.  The two identical speed channels of digital form and the third channel of analog form are coupled to a programmed digital computer based process controller for use in controlling turbine speed and load.  The two identical speed channels of analog form and the third channel are coupled to an overspeed protection controller for use in preventing turbine overspeed.  Within each controller, an identical channel is selected without preference to be used as the actual turbine speed measure-ment.  A transfer between identical speed channels will only be performed if a malfunction is detected in that identical channel utilized as the actual turbine speed measurement.          This transfer will be performed without affecting the opera-tion of the turbine as controlled by either of the two con-trollers.  The malfunction of any two of the input channel forms to a respective controller disables only the speed control function of that controller.
Patent CA-1107426-A (CA)
Inventor: BERNSTEIN PHILIP
IPC: C09J123/12
Filed: 1977-08-08
Granted: 1981-08-18
Abstract: ABSTRACT OF THE DISCLOSURE      A tape comprised of an atactic polypropylene and a non-conductive filler is described.  This tape is useful in a process which enables a second-ary battery having a defective seal to be repaired safely while remaining in operation.
Patent CA-1204952-A (CA)
Inventor: BECKER JOSEPH J
IPC: C21D1/04
Filed: 1977-08-19
Granted: 1986-05-27
Abstract: ABSTRACT OF THE DISCLOSURE     Amorphous magnetic metal alloys are processed by annealing at temperatures sufficient to achieve stress relief and cooling in directed magnetic fields or in zero magnetic fields.         The ac and dc properties of magnetic cores produced in accordance with the processes of the invention may be tailored to match those of a wide range of magnetic alloys.            Alloys processed in accordance with the invention provide improved performance in inductors, transformers, magnetometers, and electrodeless lamps.